PRODUCT NOTES
The 4089978 upper gasket set can be used in the following engine models:
- QSC: 2005 High Pressure Common Rail (HPCR) CM850
- QSL9: High Pressure Common Rail (HPCR) CM850
This is a genuine Cummins part shipped with a 12-month warranty.
Also available in aftermarket.
Call us at 888.687.0539 if you have any questions about this item.
As always, your satisfaction is guaranteed!